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php网站怎么打开

时间:2010-12-5 17:23:32  作者:休闲   来源:娱乐  查看:  评论:0
内容摘要:你拿到一个PHP网站,浏览器里输入域名,结果要么弹出一堆代码,要么直接下载了一个文件,要么显示403 forbidden。这事儿我遇到过不下二十次,帮朋友看网站、接手外包项目、甚至自己租的服务器刚配好

你拿到一个PHP网站,站打浏览器里输入域名,站打结果要么弹出一堆代码,站打要么直接下载了一个文件,站打要么显示403 forbidden。站打这事儿我遇到过不下二十次,站打帮朋友看网站、站打接手外包项目、站打甚至自己租的站打服务器刚配好环境那会儿,都卡在这一步。站打PHP网站打不开,站打九成不是站打PHP本身的问题,而是站打你打开的方式不对。

先说最基础的站打情况。PHP是站打服务端脚本语言,它必须经过服务器解析后输出HTML,浏览器才能正常显示。如果你直接双击本地的一个 .php 文件,浏览器不知道该怎么处理,要么把源码当文本显示,要么直接下载。我见过有人把网站源码下载到桌面,然后双击 index.php,看到满屏的 `hello`,以为网站坏了。其实没坏,只是打开方式错了。

正确的做法是让PHP文件跑在服务器环境里。本地测试的话,装个集成环境最省事。Windows上用 phpStudy 或者 XAMPP,Mac 上可以用 MAMP。安装完启动 Apache 和 MySQL,把你的网站文件夹丢进 htdocs 或者 www 目录,浏览器访问 `http://localhost/你的文件夹名`,页面就出来了。这里有个细节:文件夹里通常有个 index.php,服务器会默认读取它。如果没有,你得手动在地址栏加上文件名,比如 `http://localhost/mysite/index.php`。

线上环境稍微复杂点。你买了个虚拟主机或者云服务器,把PHP文件上传到网站根目录,域名也解析过去了,但访问域名还是不对。先检查根目录对不对。虚拟主机一般有 public_html 或者 wwwroot 目录,文件必须放在那里。云服务器的话,要看你的Web服务器配置。Nginx 的 root 指令指向哪个目录,PHP文件就得放在哪。我见过有人把文件传到 /home/user/ 下,然后问我为什么打不开——Nginx 默认站点目录是 /var/www/html,你放别处当然找不到。

还有一种常见情况:域名能打开,但显示的是“Index of /”或者一个空白页。前者说明目录里没有默认首页文件,服务器把文件列表列出来了。后者可能是PHP解析出错,但错误信息被屏蔽了。这时候去服务器上查PHP错误日志,或者临时在PHP文件开头加上 `ini_set('display_errors', 1); error_reporting(E_ALL);`,刷新页面就能看到具体报错。我帮人排查时,十次有八次是数据库连接信息填错了,或者某个扩展没装。

权限问题也经常坑人。Linux服务器上,PHP文件权限一般是644,目录是755。如果你设成777,有些服务器会直接拒绝执行。更隐蔽的是文件所有者和组不对。比如你用root上传的文件,但Web服务器以www-data用户运行,读不了文件,自然打不开。用 `chown -R www-data:www-data /var/www/html` 改一下属主,问题就解决了。这个坑我踩过两次,第一次查了半天日志才反应过来。

如果你用的是框架,比如 Laravel 或者 ThinkPHP,打开方式又不一样。它们通常要求把Web服务器的根目录指向 public 文件夹,而不是项目根目录。直接访问项目根目录下的 index.php 会报错,因为入口文件在 public 里。很多人从GitHub克隆下来,往 htdocs 一扔就访问,结果一片红。看框架文档的“安装”部分,通常第一段就写了这个。

最后说一个容易被忽略的点:PHP版本。你本地用PHP 8.2开发,服务器上是PHP 5.6,语法不兼容,页面直接500。或者反过来,服务器PHP 8.0,你代码里用了 `each()` 这种被移除的函数,照样打不开。上传前确认一下目标环境的PHP版本,在phpinfo页面或者主机控制面板里都能看到。我习惯在网站根目录放一个 info.php,内容就一行 ` phpinfo()

PHP logo

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Reflection

Reflectionenabled
Version $Id: fe5f2178c6eb97631d3f8f03ceb9eddb88e664c7 $

session

Session Support enabled
Registered save handlers files user
Registered serializer handlers php_serialize php php_binary
DirectiveLocal ValueMaster Value
session.auto_startOffOff
session.cache_expire180180
session.cache_limiternocachenocache
session.cookie_domainno valueno value
session.cookie_httponlyno valueno value
session.cookie_lifetime25920000
session.cookie_path//
session.cookie_secure00
session.gc_divisor10001000
session.gc_maxlifetime14401440
session.gc_probability11
session.lazy_writeOnOn
session.namePHPSESSIDPHPSESSID
session.referer_checkno valueno value
session.save_handlerfilesfiles
session.save_path/www/wwwroot/wzzzc.com/temp/session/no value
session.serialize_handlerphpphp
session.sid_bits_per_character55
session.sid_length2626
session.upload_progress.cleanupOnOn
session.upload_progress.enabledOnOn
session.upload_progress.freq1%1%
session.upload_progress.min_freq11
session.upload_progress.namePHP_SESSION_UPLOAD_PROGRESSPHP_SESSION_UPLOAD_PROGRESS
session.upload_progress.prefixupload_progress_upload_progress_
session.use_cookies11
session.use_only_cookies11
session.use_strict_mode00
session.use_trans_sid00

shmop

shmop support enabled

SimpleXML

Simplexml supportenabled
Revision $Id: 341daed0ee94ea8f728bfd0ba4626e6ed365c0d1 $
Schema support enabled

soap

Soap Client enabled
Soap Server enabled
DirectiveLocal ValueMaster Value
soap.wsdl_cache11
soap.wsdl_cache_dir/tmp/tmp
soap.wsdl_cache_enabled11
soap.wsdl_cache_limit55
soap.wsdl_cache_ttl8640086400

sockets

Sockets Support enabled

SPL

SPL supportenabled
Interfaces OuterIterator, RecursiveIterator, SeekableIterator, SplObserver, SplSubject
Classes AppendIterator, ArrayIterator, ArrayObject, BadFunctionCallException, BadMethodCallException, CachingIterator, CallbackFilterIterator, DirectoryIterator, DomainException, EmptyIterator, FilesystemIterator, FilterIterator, GlobIterator, InfiniteIterator, InvalidArgumentException, IteratorIterator, LengthException, LimitIterator, LogicException, MultipleIterator, NoRewindIterator, OutOfBoundsException, OutOfRangeException, OverflowException, ParentIterator, RangeException, RecursiveArrayIterator, RecursiveCachingIterator, RecursiveCallbackFilterIterator, RecursiveDirectoryIterator, RecursiveFilterIterator, RecursiveIteratorIterator, RecursiveRegexIterator, RecursiveTreeIterator, RegexIterator, RuntimeException, SplDoublyLinkedList, SplFileInfo, SplFileObject, SplFixedArray, SplHeap, SplMinHeap, SplMaxHeap, SplObjectStorage, SplPriorityQueue, SplQueue, SplStack, SplTempFileObject, UnderflowException, UnexpectedValueException

sqlite3

SQLite3 supportenabled
SQLite3 module version 7.2.33
SQLite Library 3.28.0
DirectiveLocal ValueMaster Value
sqlite3.defensive11
sqlite3.extension_dirno valueno value

standard

Dynamic Library Support enabled
Path to sendmail /usr/sbin/sendmail -t -i
DirectiveLocal ValueMaster Value
assert.active11
assert.bail00
assert.callbackno valueno value
assert.exception00
assert.quiet_eval00
assert.warning11
auto_detect_line_endings00
default_socket_timeout6060
fromno valueno value
session.trans_sid_hostsno valueno value
session.trans_sid_tagsa=href,area=href,frame=src,form=a=href,area=href,frame=src,form=
url_rewriter.hostsno valueno value
url_rewriter.tagsform=form=
user_agentno valueno value

sysvsem

Version 7.2.33

tokenizer

Tokenizer Support enabled

xml

XML Support active
XML Namespace Support active
libxml2 Version 2.9.13

xmlreader

XMLReader enabled

xmlrpc

core library version xmlrpc-epi v. 0.51
php extension version 7.2.33
author Dan Libby
homepage http://xmlrpc-epi.sourceforge.net
open sourced by Epinions.com

xmlwriter

XMLWriter enabled

zip

Zip enabled
Zip version 1.15.4
Libzip version 1.1.2

zlib

ZLib Supportenabled
Stream Wrapper compress.zlib://
Stream Filter zlib.inflate, zlib.deflate
Compiled Version 1.2.11
Linked Version 1.2.11
DirectiveLocal ValueMaster Value
zlib.output_compressionOffOff
zlib.output_compression_level-1-1
zlib.output_handlerno valueno value

Additional Modules

Module Name

Environment

VariableValue
USER www
HOME /home/www

PHP Variables

VariableValue
$_SERVER['USER']www
$_SERVER['HOME']/home/www
$_SERVER['HTTP_CONNECTION']keep-alive
$_SERVER['HTTP_CACHE_CONTROL']max-age=259200
$_SERVER['HTTP_X_FORWARDED_FOR']10.10.110.135
$_SERVER['HTTP_VIA']1.1 squid-proxy-5b96dc6d46-gkhp7 (squid/6.13)
$_SERVER['HTTP_ACCEPT_ENCODING']gzip, br, zstd, deflate
$_SERVER['HTTP_USER_AGENT']Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
$_SERVER['HTTP_ACCEPT']*/*
$_SERVER['PATH_INFO']no value
$_SERVER['HTTP_HOST']www.79wt.cn
$_SERVER['REDIRECT_STATUS']200
$_SERVER['SERVER_NAME']wzzzc.com
$_SERVER['SERVER_PORT']80
$_SERVER['SERVER_ADDR']177.5.124.192
$_SERVER['REMOTE_PORT']49889
$_SERVER['REMOTE_ADDR']216.73.217.73
$_SERVER['SERVER_SOFTWARE']nginx/1.28.3
$_SERVER['GATEWAY_INTERFACE']CGI/1.1
$_SERVER['REQUEST_SCHEME']http
$_SERVER['SERVER_PROTOCOL']HTTP/1.1
$_SERVER['DOCUMENT_ROOT']/www/wwwroot/wzzzc.com
$_SERVER['DOCUMENT_URI']/index.php
$_SERVER['REQUEST_URI']/news/510d9899391.html
$_SERVER['SCRIPT_NAME']/index.php
$_SERVER['CONTENT_LENGTH']no value
$_SERVER['CONTENT_TYPE']no value
$_SERVER['REQUEST_METHOD']GET
$_SERVER['QUERY_STRING']news/510d9899391.html
$_SERVER['SCRIPT_FILENAME']/www/wwwroot/wzzzc.com/index.php
$_SERVER['FCGI_ROLE']RESPONDER
$_SERVER['PHP_SELF']/index.php
$_SERVER['REQUEST_TIME_FLOAT']1792175106.1805
$_SERVER['REQUEST_TIME']1792175106
$_SERVER['AUTOLOAD_ENCODE']1
$_ENV['']1
$_ENV['']str_rot13
$_ENV['']./core/xxfseo/libs/xxfseo_llIIIIlIIIllllllllIIIIlIlIllllIl/xxfseo_lllIIllllIlIllIIlIIlIlllIllIlIII.php

PHP Credits

PHP Group
Thies C. Arntzen, Stig Bakken, Shane Caraveo, Andi Gutmans, Rasmus Lerdorf, Sam Ruby, Sascha Schumann, Zeev Suraski, Jim Winstead, Andrei Zmievski
Language Design & Concept
Andi Gutmans, Rasmus Lerdorf, Zeev Suraski, Marcus Boerger
PHP Authors
ContributionAuthors
Zend Scripting Language Engine Andi Gutmans, Zeev Suraski, Stanislav Malyshev, Marcus Boerger, Dmitry Stogov, Xinchen Hui, Nikita Popov
Extension Module API Andi Gutmans, Zeev Suraski, Andrei Zmievski
UNIX Build and Modularization Stig Bakken, Sascha Schumann, Jani Taskinen
Windows Support Shane Caraveo, Zeev Suraski, Wez Furlong, Pierre-Alain Joye, Anatol Belski, Kalle Sommer Nielsen
Server API (SAPI) Abstraction Layer Andi Gutmans, Shane Caraveo, Zeev Suraski
Streams Abstraction Layer Wez Furlong, Sara Golemon
PHP Data Objects Layer Wez Furlong, Marcus Boerger, Sterling Hughes, George Schlossnagle, Ilia Alshanetsky
Output Handler Zeev Suraski, Thies C. Arntzen, Marcus Boerger, Michael Wallner
Consistent 64 bit support Anthony Ferrara, Anatol Belski
SAPI Modules
ContributionAuthors
Apache 2.0 Handler Ian Holsman, Justin Erenkrantz (based on Apache 2.0 Filter code)
CGI / FastCGI Rasmus Lerdorf, Stig Bakken, Shane Caraveo, Dmitry Stogov
CLI Edin Kadribasic, Marcus Boerger, Johannes Schlueter, Moriyoshi Koizumi, Xinchen Hui
Embed Edin Kadribasic
FastCGI Process Manager Andrei Nigmatulin, dreamcat4, Antony Dovgal, Jerome Loyet
litespeed George Wang
phpdbg Felipe Pena, Joe Watkins, Bob Weinand
Module Authors
ModuleAuthors
BC Math Andi Gutmans
Bzip2 Sterling Hughes
Calendar Shane Caraveo, Colin Viebrock, Hartmut Holzgraefe, Wez Furlong
COM and .Net Wez Furlong
ctype Hartmut Holzgraefe
cURL Sterling Hughes
Date/Time Support Derick Rethans
DB-LIB (MS SQL, Sybase) Wez Furlong, Frank M. Kromann, Adam Baratz
DBA Sascha Schumann, Marcus Boerger
DOM Christian Stocker, Rob Richards, Marcus Boerger
enchant Pierre-Alain Joye, Ilia Alshanetsky
EXIF Rasmus Lerdorf, Marcus Boerger
fileinfo Ilia Alshanetsky, Pierre Alain Joye, Scott MacVicar, Derick Rethans, Anatol Belski
Firebird driver for PDO Ard Biesheuvel
FTP Stefan Esser, Andrew Skalski
GD imaging Rasmus Lerdorf, Stig Bakken, Jim Winstead, Jouni Ahto, Ilia Alshanetsky, Pierre-Alain Joye, Marcus Boerger
GetText Alex Plotnick
GNU GMP support Stanislav Malyshev
Iconv Rui Hirokawa, Stig Bakken, Moriyoshi Koizumi
IMAP Rex Logan, Mark Musone, Brian Wang, Kaj-Michael Lang, Antoni Pamies Olive, Rasmus Lerdorf, Andrew Skalski, Chuck Hagenbuch, Daniel R Kalowsky
Input Filter Rasmus Lerdorf, Derick Rethans, Pierre-Alain Joye, Ilia Alshanetsky
InterBase Jouni Ahto, Andrew Avdeev, Ard Biesheuvel
Internationalization Ed Batutis, Vladimir Iordanov, Dmitry Lakhtyuk, Stanislav Malyshev, Vadim Savchuk, Kirti Velankar
JSON Jakub Zelenka, Omar Kilani, Scott MacVicar
LDAP Amitay Isaacs, Eric Warnke, Rasmus Lerdorf, Gerrit Thomson, Stig Venaas
LIBXML Christian Stocker, Rob Richards, Marcus Boerger, Wez Furlong, Shane Caraveo
Multibyte String Functions Tsukada Takuya, Rui Hirokawa
MySQL driver for PDO George Schlossnagle, Wez Furlong, Ilia Alshanetsky, Johannes Schlueter
MySQLi Zak Greant, Georg Richter, Andrey Hristov, Ulf Wendel
MySQLnd Andrey Hristov, Ulf Wendel, Georg Richter, Johannes Schlüter
OCI8 Stig Bakken, Thies C. Arntzen, Andy Sautins, David Benson, Maxim Maletsky, Harald Radi, Antony Dovgal, Andi Gutmans, Wez Furlong, Christopher Jones, Oracle Corporation
ODBC driver for PDO Wez Furlong
ODBC Stig Bakken, Andreas Karajannis, Frank M. Kromann, Daniel R. Kalowsky
Opcache Andi Gutmans, Zeev Suraski, Stanislav Malyshev, Dmitry Stogov, Xinchen Hui
OpenSSL Stig Venaas, Wez Furlong, Sascha Kettler, Scott MacVicar
Oracle (OCI) driver for PDO Wez Furlong
pcntl Jason Greene, Arnaud Le Blanc
Perl Compatible Regexps Andrei Zmievski
PHP Archive Gregory Beaver, Marcus Boerger
PHP Data Objects Wez Furlong, Marcus Boerger, Sterling Hughes, George Schlossnagle, Ilia Alshanetsky
PHP hash Sara Golemon, Rasmus Lerdorf, Stefan Esser, Michael Wallner, Scott MacVicar
Posix Kristian Koehntopp
PostgreSQL driver for PDO Edin Kadribasic, Ilia Alshanetsky
PostgreSQL Jouni Ahto, Zeev Suraski, Yasuo Ohgaki, Chris Kings-Lynne
Pspell Vlad Krupin
Readline Thies C. Arntzen
Recode Kristian Koehntopp
Reflection Marcus Boerger, Timm Friebe, George Schlossnagle, Andrei Zmievski, Johannes Schlueter
Sessions Sascha Schumann, Andrei Zmievski
Shared Memory Operations Slava Poliakov, Ilia Alshanetsky
SimpleXML Sterling Hughes, Marcus Boerger, Rob Richards
SNMP Rasmus Lerdorf, Harrie Hazewinkel, Mike Jackson, Steven Lawrance, Johann Hanne, Boris Lytochkin
SOAP Brad Lafountain, Shane Caraveo, Dmitry Stogov
Sockets Chris Vandomelen, Sterling Hughes, Daniel Beulshausen, Jason Greene
Sodium Frank Denis
SPL Marcus Boerger, Etienne Kneuss
SQLite 3.x driver for PDO Wez Furlong
SQLite3 Scott MacVicar, Ilia Alshanetsky, Brad Dewar
System V Message based IPC Wez Furlong
System V Semaphores Tom May
System V Shared Memory Christian Cartus
tidy John Coggeshall, Ilia Alshanetsky
tokenizer Andrei Zmievski, Johannes Schlueter
WDDX Andrei Zmievski
XML Stig Bakken, Thies C. Arntzen, Sterling Hughes
XMLReader Rob Richards
xmlrpc Dan Libby
XMLWriter Rob Richards, Pierre-Alain Joye
XSL Christian Stocker, Rob Richards
Zip Pierre-Alain Joye, Remi Collet
Zlib Rasmus Lerdorf, Stefan Roehrich, Zeev Suraski, Jade Nicoletti, Michael Wallner
PHP Documentation
Authors Mehdi Achour, Friedhelm Betz, Antony Dovgal, Nuno Lopes, Hannes Magnusson, Philip Olson, Georg Richter, Damien Seguy, Jakub Vrana, Adam Harvey
Editor Peter Cowburn
User Note Maintainers Daniel P. Brown, Thiago Henrique Pojda
Other Contributors Previously active authors, editors and other contributors are listed in the manual.
PHP Quality Assurance Team
Ilia Alshanetsky, Joerg Behrens, Antony Dovgal, Stefan Esser, Moriyoshi Koizumi, Magnus Maatta, Sebastian Nohn, Derick Rethans, Melvyn Sopacua, Jani Taskinen, Pierre-Alain Joye, Dmitry Stogov, Felipe Pena, David Soria Parra, Stanislav Malyshev, Julien Pauli, Stephen Zarkos, Anatol Belski, Remi Collet, Ferenc Kovacs
Websites and Infrastructure team
PHP Websites Team Rasmus Lerdorf, Hannes Magnusson, Philip Olson, Lukas Kahwe Smith, Pierre-Alain Joye, Kalle Sommer Nielsen, Peter Cowburn, Adam Harvey, Ferenc Kovacs, Levi Morrison
Event Maintainers Damien Seguy, Daniel P. Brown
Network Infrastructure Daniel P. Brown
Windows Infrastructure Alex Schoenmaker

PHP License

This program is free software; you can redistribute it and/or modify it under the terms of the PHP License as published by the PHP Group and included in the distribution in the file: LICENSE

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

If you did not receive a copy of the PHP license, or have any questions about PHP licensing, please contact license@php.net.

`,访问一下,版本、扩展、配置全清楚了。用完记得删掉,别留着给别人看。

所以,PHP网站怎么打开?不是双击文件,也不是随便丢个目录。找到正确的Web根目录,确保PHP文件在里面,服务器配置指向它,权限和版本都对上,浏览器访问域名或localhost,页面自然就出来了。下次再遇到打不开,先别怀疑代码,按这个顺序查一遍,多半能自己解决。

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